CVE-2025-21604 LangChain4j-AIDeepin Using MD5 to Hash files may cause file upload conflicts

Medium 6.9 Published Updated

Attackers can cause file upload conflicts in LangChain4j-AIDeepin by exploiting weak MD5 hashing, potentially overwriting or corrupting stored files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-21604?

CVE-2025-21604 is a medium-severity vulnerability in moyangzhan langchain4j-aideepin, published on 6 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project. Prior to 3.5.0, LangChain4j-AIDeepin uses MD5 to hash files, which may cause file upload conflicts. This issue is fixed in 3.5.0.

Weakness: CWE-328

Which versions are affected by CVE-2025-21604?

How do I fix CVE-2025-21604?

No fix has been published for CVE-2025-21604 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-21604 being exploited?

There is no known exploitation of CVE-2025-21604 in the wild and no public exploit code.

Sources

Also known as GHSA-cv5r-73vf-8x7v.

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